CVE Database · CVE-2009-2521
CVSS v3.1
N/A
EPSS
82.27%
Published
Sep 4, 2009
Modified
Apr 22, 2026
Public PoC / Exploit (2)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
Stack consumption vulnerability in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 7.0 allows remote authenticated users to cause a denial of service (daemon crash) via a list (ls) -R command containing a wildcard that references a subdirectory, followed by a .. (dot dot), aka "IIS FTP Service DoS Vulnerability."
Weaknesses (CWE)
Affected Products (1)
References (10)
